Durable aluminum housing with shatterproof glass lens. R17D end cap standard. FA8 end cap option available. Easy Plug & Play install. Type B lamp for capatability with Shunted or Non-Shunted sockets. Non-dimmable. Shatterproof glass optics for wide light distribution and elimination of dark spots. Frosted lens. The lumen packages are rated for 50,000+ hours (L70). UL Listed. Tube Light intended for indoor use only.